MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
Your company uses Microsoft 365 Business Premium. You need to ensure that all company-owned Windows 10 devices are automatically enrolled in Microsoft Intune when users sign in with their work account. The devices are Microsoft Entra ID joined. You have configured automatic enrollment in Intune. However, some devices are not enrolling. You need to troubleshoot the issue. What should you check first?
⚠ Common exam trap
A common mix-up: candidates assume device-level prerequisites (like Microsoft Entra ID join or OS version) are the most common cause, but Microsoft Intune enrollment is user-license-driven, and missing licenses are a frequent real-world issue that is easy to overlook.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify that each user has an appropriate Microsoft Intune license assigned.
Automatic enrollment in Microsoft Intune requires each user to have an appropriate Intune license (e.g., Microsoft 365 Business Premium includes Intune). Without a license, the device will not be able to enroll even if all other prerequisites are met. The license is checked during the enrollment process, and if missing, enrollment fails silently.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Ensure that devices are Microsoft Entra ID joined and not domain joined.
Why it's wrong here
The enrollment path for Intune in Microsoft 365 Business Premium supports both Microsoft Entra ID joined and hybrid Microsoft Entra ID joined devices, and domain-joined devices alone cannot use cloud MDM. However, the devices in this scenario are already Microsoft Entra ID joined, so the join type is not the blocker. A device being joined does not provide a user license, and licensing—not join state—is the actual prerequisite for enrollment.
- ✗
Check the Windows 10 version; version 1607 or later is required.
Why it's wrong here
Windows 10 version 1607 or later is a baseline for Microsoft Entra ID auto-enrollment in legacy scenarios, but the current version is almost certainly above that threshold and therefore irrelevant. Even a fully supported Windows 10 build will fail Intune enrollment if the user account lacks an Intune license. Checking the OS version checks the wrong prerequisite; it would only diagnose an environment that hasn't been updated in years.
- ✓
Verify that each user has an appropriate Microsoft Intune license assigned.
Why this is correct
Intune licenses are assigned per user, and Microsoft 365 Business Premium includes Intune as part of the subscription. When a user without an Intune license attempts to enroll, the device will not appear in Intune even if automatic enrollment and MDM authority are correctly configured. Verifying each user has an appropriate license (or the Business Premium license) is the first and definitive check when auto-enrollment is failing.
- ✗
Check that the MDM authority is set to Microsoft Intune in Microsoft Entra ID.
Why it's wrong here
The MDM authority is the service that manages devices, and in Microsoft Entra ID it must be set to Microsoft Intune for MDM enrollment. When automatic enrollment is configured, that authority is already Intune; if it were not, enrollment wouldn't be attempted at all. Rechecking it is redundant because the error is about per-user licensing, not the overall management authority.
Go deeper
Related to this question
Learn chapter
Co-Management: Intune and Configuration Manager
Key term
Microsoft Intune
Microsoft Intune is a cloud-based service that helps organizations manage employee devices, apps, and security policies without needing to own or control the physical hardware.
Key term
Intune
Microsoft Intune is a cloud-based service that helps organizations manage their users' devices and applications, ensuring security and compliance without needing to own or control the physical hardware.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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